function newWindow(url){
window.open(url, "Screen", "width=800,height=600,toolbar=yes,status=yes,location=yes,scrollbars=yes,menubar=yes,resizable=yes");
}

var objectIDCurr = 'sat1';

function setVisibility(objectID) {
	var domNew = findDOM(objectID,1);
	var domCurr = findDOM(objectIDCurr,1);
	domCurr.visibility = "hidden";
	domNew.visibility = "visible";
	objectIDCurr = objectID;
}

if (document.images){	
imag = new Array();

	imag[0] = "../graphics/satnav/sat1.jpg";
	imag[1] = "../graphics/satnav/sat1-on.jpg";

	imag[2] = "../graphics/satnav/sat2.jpg";
	imag[3] = "../graphics/satnav/sat2-on.jpg";

	imag[4] = "../graphics/satnav/sat3.jpg";
	imag[5] = "../graphics/satnav/sat3-on.jpg";
	
	imag[6] = "../graphics/satnav/sat4.jpg";
	imag[7] = "../graphics/satnav/sat4-on.jpg";

	imag[8] = "../graphics/satnav/sat5.jpg";
	imag[9] = "../graphics/satnav/sat5-on.jpg";
	
	imag[10] = "../graphics/satnav/sat6.jpg";
	imag[11] = "../graphics/satnav/sat6-on.jpg";

	imag[12] = "../graphics/satnav/sat7.jpg";
	imag[13] = "../graphics/satnav/sat7-on.jpg";
	
	imag[14] = "../graphics/satnav/sat8.jpg";
	imag[15] = "../graphics/satnav/sat8-on.jpg";
	
	im = new Array();
	for (var i = 0; i < imag.length; i++)
	{
	im[i] = new Image();
	im[i].src = imag[i];
	}
	}


function toggleImage(imgName,num){	
	if (document.images && imgName){
		imgName.src = im[num].src;
		}
	return;
}